Efficient Conversion of O-Substituted 3-Hydroxy-4-imino-oxazolidin-2-ones into O-Substituted α-Hydroxyamidoximes
作者:Thomas Kurz、Khalid Widyan
DOI:10.1021/ol040045v
日期:2004.11.1
synthesis of O-substituted alpha-hydroxyamidoximes has been developed. The first step involves a high-yielding one-pot synthesis of the so far unknown O-substituted 3-hydroxy-4-imino-oxazolidin-2-ones by reacting cyanohydrins stepwise with 1,1'-carbonyldiimidazole and O-substituted hydroxylamines. The second step represents a novel, sodium methoxide-mediated conversion of O-substituted 3-hydroxy-4-